Test net framework installation

Its value corresponds to a particular version of. In the following figure, for example, the value of the Release entry is , which is the release key for. The following examples check the value of the Release entry to determine whether. This code returns True if it's installed and False otherwise. Use the RegistryKey. OpenBaseKey and RegistryKey. If the app you're running is bit and running in bit Windows, the registry paths will be different than previously listed. For example, the registry subkey for.

To be forward-compatible, check for a value greater than or equal to the value listed in the. NET Framework version table. The following example checks the value of the Release entry in the registry to find the versions of. Add the directive using Microsoft. Win32 or Imports Microsoft. Win32 at the top of your code file if you haven't already done so. Each version of.

NET Framework from 1. The following table lists the path to each. NET Framework version. NET Framework 3. Open the subkey that matches the version you want to check. Use the table in the Detect. NET Framework 1. The following figure shows the subkey and its Version value for. Use the Microsoft. NET Framework is versioned separately. There are two ways to detect the version of the. Version property to detect the version of the CLR.

Instead, query the registry as described in Detect. Query the Environment. Version property to retrieve a Version object. The returned System. Version object identifies the version of the runtime that's currently executing the code.

It doesn't return assembly versions or other versions of the runtime that may have been installed on the computer. NET Framework versions 4, 4. For the major release identifier for example, 4 for version 4. NET version. NET 4 and above 4, 4. NET 1. Tanks you for making me to know the use of. Net Framework using cmd line.

I really enjoy every bit of it.. Table of contents How to check. Itechtics Staff Itechtics staff is a team of technology experts led by Usman Khurshid. We verify everything we write so that our users can be sure to trust us in everything we write. You can reach out to us for further help and support. Share on: Subscribe. Any additional feedback? Important Because the 4. Submit and view feedback for This product This page.

View all page feedback. In this article. In general, you should not uninstall any versions of the. NET Framework that are installed on your computer, because an application you use may depend on a specific version of the. For more information, see The. No action necessary. To determine which versions of the. Please install the. You must install the English version of the specified.

NET Framework release before installing a language pack. For more information, see the section on To install language packs in the installation guide. Cannot install the. Other applications on your computer are not compatible with this program. The most likely cause of this message is that a preview or RC version of the.

NET Framework was installed. Uninstall the preview or RC version and rerun Setup. To uninstall. The package you are installing doesn't uninstall preview or RC releases of the.

Uninstall the preview or RC release from Control Panel. Cannot uninstall the. Other applications on your computer are dependent on this program. In general, you shouldn't uninstall any versions of the. NET Framework from your computer, because an application you use may depend on a specific version of the.

Please download the. NET Framework download page. You may be trying to install. Run the installation again by using the offline installer for 4.

For more information, see the installation guide and system requirements for supported operating systems. Installation of the.